TC8365A-type brake drum boring machines are mostly applied to repair brake drum and brake shoe of various vehicles, thus to repair cars of garages, public transportation companies，and transport corps of industrial and mining enterprises for a special purpose.

4. The machine provides positive and negative tool feed to meet operators with different operating habits.
5. The tool post can quickly move up/down for close-range feed under a condition of non-rotating work piece.

6. Work piece can be rotated for convenient operation when tool carrier doesn’t move.
7. Slide plate can be moved up/down manually.

8. Right handwheel enables convenience for shift gear.

9. With quick speed and high efficiency, the machine provides quick up/down moving to improve production efficiency. Moreover, the function of positive and negative feed saves processing time by not lifting slide plate for secondary feed.